SOLUTION: Solve tanx secx-2tanx=0 for all real values of x
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Question 307381: Solve tanx secx-2tanx=0 for all real values of x
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve tanx secx-2tanx=0 for all real values of x
(sin/cos^2) - 2sin/cos = 0
sin - 2sincos = 0
sin(1 - 2cos) = 0
sin = 0
x = 0 + n*pi, n = 0,1,2,3...
-----------------------
1- 2cos(x) = 0
cos(x) = 1/2
x = pi/3 + 2n*pi, n = 0,1,2,3...
x = 2pi/3 + 2n*pi, n = 0,1,2,3...
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